body {
    margin: 0;
    padding: 0;
    background: #000;
    color: #000;
    font-family: 'Courier New', monospace;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow: hidden;
}

#gameContainer {
    position: relative;
    border: 2px solid #333;
}

#gameCanvas {
    background: #000;
    display: block;
}

#ui {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 10;
    font-size: 16px;
    text-shadow: 2px 2px 4px rgba(255,255,255,0.8);
}

#levelProgress {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 10;
    font-size: 14px;
    text-shadow: 2px 2px 4px rgba(255,255,255,0.8);
}

#gameOver, #levelComplete, #sushiBar, #startScreen {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    background: rgba(0,0,0,0.9);
    padding: 30px;
    border-radius: 10px;
    display: none;
    z-index: 20;
    max-height: 80vh;
    overflow-y: auto;
}

#sushiBar {
    width: 500px;
    background: linear-gradient(135deg, #2a1810 0%, #4a2820 50%, #2a1810 100%);
    border: 3px solid #8B4513;
    display: none;
}

#startScreen {
    display: block;
    color: #fff;
    background: rgba(0,0,0,0.9);
    padding: 20px;
    border-radius: 10px;
}

#startScreen h2 {
    color: #fff;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
}

.button {
    background: #0066cc;
    color: white;
    border: none;
    padding: 10px 20px;
    margin: 10px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

.button:hover {
    background: #0088ff;
}

.weapon-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(139, 69, 19, 0.3);
    margin: 10px 0;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #8B4513;
}

.weapon-info {
    text-align: left;
    flex-grow: 1;
}

.weapon-name {
    font-size: 18px;
    font-weight: bold;
    color: #FFD700;
}

.weapon-desc {
    font-size: 12px;
    color: #ccc;
    margin-top: 5px;
}

.weapon-price {
    color: #90EE90;
    font-weight: bold;
    margin: 0 15px;
}

.buy-button {
    background: #228B22;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
}

.buy-button:hover {
    background: #32CD32;
}

.buy-button:disabled {
    background: #666;
    cursor: not-allowed;
}

.owned {
    background: #4a4a4a;
    color: #aaa;
}

#instructions {
    position: absolute;
    bottom: 10px;
    left: 10px;
    font-size: 20px;
    opacity: 0.85;
    text-shadow: 1px 1px 2px rgba(255,255,255,0.8);
}

.stars {
    color: #ffdd00;
    font-size: 24px;
    margin: 10px 0;
}

.objective {
    background: rgba(0,100,200,0.3);
    padding: 5px 10px;
    border-radius: 5px;
    margin: 5px 0;
    text-shadow: 1px 1px 2px rgba(255,255,255,0.8);
}